Simple Python Basics

Version: 1.20

A Byte of Python

Copyright©2003-2005 Swaroop C H

Concise Python tutorial

The concise Python tutorial is the only designated Simplified Chinese Translation of "A Byte of Python ".©2005 Shen jieyuan

AccordingCreate a public agreement (signature-non-derivative work-non-commercial use)Release.

Summary

Whether you are new to a computer or an experienced programmer, this book will help you learn how to use Python.

Preface

Readers of this book

The origins of this book

Current Situation of this book

Official Website

Terms

Thank you for your feedback.

Something worth thinking about

1. Introduction

Introduction

Python features

Summary

Why not use Perl?

For programmers

2. Install Python

Linux and BSD users

Windows®User

Summary

3. Initial steps

Introduction

Use an interpreter with a prompt

Select an editor

Use source files

Output

How it works

Executable Python Program

Get help

Summary

4. Basic Concepts

Literal Constants

Quantity

String

Variable

Identifier name

Data Type

Object

Output

How it works

Logical and physical rows

Indent

Summary

5. Operators and expressions

Introduction

Operator

Operator priority

Computing Sequence

Combination rules

Expression

Use expressions

Summary

6. Control Flow

Introduction

If statement

Use the if statement

How it works

While statement

Use the while statement

For Loop

Use the for statement

Break statement

Use the break statement

Continue statement

Use the continue statement

Summary

7. Functions

Introduction

Define functions

Function Parameters

Use Function Parameters

Local variable

Use local variables

Use global statements

Default parameter value

Use default parameter values

Key parameters

Use Key Parameters

Return Statement

Use literal statements

DocStrings

Use DocStrings

Summary

8. Module

Introduction

Use sys module

Byte-compiled. pyc File

From .. import Statement

Module _ name __

Use the _ name _ of the module __

Create your own modules

Create your own module

From .. import

Dir () function

Use the dir Function

Summary

9. Data Structure

Introduction

List

Quick Start to objects and Classes

Usage list

Tuples

Use tuples

Tuples and print statements

Dictionary

Use dictionaries

Sequence

Use Sequence

Reference

Objects and references

More string content

String Method

Summary

10. Solve the Problem-write a Python script

Problem

Solution

Version 1

Version 2

Version 3

Version 4

Further Optimization

Software Development Process

Summary

11. Object-Oriented Programming

Introduction

Self

Class

Create a class

Object Method

Object Method

_ Init _ Method

Use the _ init _ Method

Class and object variables

Use variables of classes and objects

Inheritance

Use inheritance

Summary

12. Input/Output

File

Use Files

Storage

Storage and retrieval

Summary

13. Exception

Error

Try... try t

Exception Handling

Exception

How to Raise exceptions

Try .. finally

Use finally

Summary

14. Python standard library

Introduction

Sys module

Command Line Parameters

More information about sys

OS Module

Summary

15. More Python content

Special Method

Single statement Block

Comprehensive List

Comprehensive use list

Receiving tuples and lists in Functions

Lambda form

Use lambda

Exec and eval statements

Assert statement

Repr Function

Summary

16. What to learn next?

Graphics Software

GUI tool Overview

Explore more

Summary

A. Free/open source software (FLOSS)

B. About this book

Postscript

About the author

About translators

Simplified Chinese Translation

C. Revision history

Schedule

Glossary

Table

5.1 operators and their usage

5.2 operator priority

15.1 some special methods

Example

3.1 Use the Python interpreter with a prompt

3.2 use source files

4.1 Use variables and constants in the Word Sense

5.1 use expressions

6.1 use the if statement

6.2 use the while statement

6.3 use the for statement

6.4 Use the break statement

6.5 use the continue statement

7.1 define functions

7.2 use function parameters

7.3 use local variables

7.4 use global statements

7.5 use the default parameter value

7.6 use key parameters

7.7 use literal statements

7.8 use DocStrings

8.1 use sys module

8.2 use the _ name _ of the module __

8.3 how to create your own modules

8.4 use the dir Function

9.1 usage list

9.2 use tuples

9.3 Output Using tuples

9.4 use a dictionary

9.5 use sequence

9.6 objects and references

10.1 backup script-Version 1

10.2 backup script-Version 2

10.3 backup script-Version 3 (not working !)

10.4 backup script-version 4

11.1 create a class

11.2 method of using objects

11.3 use the _ init _ Method

11.4 use variables of classes and objects

11.5 use inheritance

12.1 Use Files

12.2 storage and retrieval

13.1 handling exceptions

13.2 how to cause exceptions

14.1 use sys. argv

15.1 comprehensive use list

15.2 use lambda